If we had taken such effective measures much earlier, the river ________ so seriously now.
#86813
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted
推荐题目
If you had got up early, you_____ the early bus.
#87665
A
have caught
B
will have caught
C
would have caught
D
had caught
We _____ estimate the spirit of the Shanghai Expo too much, which is sure to play an important role in our daily life.
#87622
A
may not
B
should not
C
must not
D
cannot
--- Why is Jenny still standing there? It’s so cold.—She _____ for someone.
#90161
A
can wait
B
might have waited
C
must be waiting
D
should have waited
It is written clearly in the requirements that all passengers ______ check onto board 30 minutes before the plane takes off.
#87571
A
may
B
can
C
will
D
shall
When he saw all his books _____ here and there on the floor, he knew that something terrible _____.
#88903
A
lying; must have happened
B
lie; must happen
C
lay; might have happened
D
had lain; could have happen